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Grid engine failing to snap to grid after version >= 2.17.0

See original GitHub issue

Hey folks!

I’m creating a MMORPG here and this lib is one of my critical libs. My character suddenly stopped to snap to the grid after I was updating my dependencies about 2 days ago. It took me almost 8 hours to realize that this was because I had a:

    "grid-engine": "^2.12.0",

On my package.json, so yarn was automatically updating it to the latest version (2.19.0)

Once I figured out the problem, I noticed that it started from 2.17.0 above.

Screenshot (1)

Screenshot (13)

Here’s my implementation code:

import { FromGridX, FromGridY, ToGridX, ToGridY } from '@rpg-engine/shared';
import { IComponent } from '../../abstractions/ComponentService';
import { Entity } from '../../abstractions/Entity';

export class EntityGrid implements IComponent {
private gameObject: Entity;

public init(targetObject: Entity) {
  this.gameObject = targetObject;

public awake() {
  // this whole offset and displayOrigin adjustments are required because our entity sprites are 32x32 while our tileset is 16x16

    sprite: this.gameObject,
    // walkingAnimationMapping: 6,
    startPosition: {
      x: ToGridX(this.gameObject.x),
      y: ToGridY(this.gameObject.y),
    speed: this.gameObject.speed,
    charLayer: 'character',
    collides: false,

  // make sure our sprite position and grid position are the same, to avoid inconsistencies
  const { x: gx, y: gy } = this.gameObject.scene.grid.getPosition(;
  this.gameObject.x = FromGridX(gx);
  this.gameObject.y = FromGridY(gy);

My fix was rolling back to the 2.16.0 version.

Issue Analytics

  • State:closed
  • Created a year ago
  • Comments:6 (3 by maintainers)

github_iconTop GitHub Comments

jonit-devcommented, Aug 4, 2022

@Annoraaq it seems to have solved. Thank you!

Annoraaqcommented, Aug 2, 2022

I just patched a bug related to the offset in v2.19.1. Can you check, if that solves your problem?

Read more comments on GitHub >

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